Question

Which of the following statement is correct for ammonia as a refrigerant?

a.

It is toxic to mucous membranes.

b.

it requires large displacement per TR compared to fluoro carbons.

c.

It reacts with copper and its alloys.

d.

all of these

Answer: (d).all of these

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Q. Which of the following statement is correct for ammonia as a refrigerant?

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